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Being Anxious, I thought of asking this question in SO, which will certainly help in getting an idea for how the big DB carriers take their backups.

How Gmail and other Mailservice providers must be taking there DB Backups?

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migrated from May 24 '11 at 12:26

This question came from our site for professional and enthusiast programmers.

closed as not a real question by Skyhawk, John Gardeniers, EEAA, jscott, Ward May 24 '11 at 13:52

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

Google has it's own "database engine" called BigTable and a complete different architecture than any relational database you might know.

Check out for some initial idea.

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